Shortly after the initial release of the silent update, which was well hidden within the MS Download Center website, the Redmond based company removed the download. [Ed.: Read original story here]. Now the website just displays a message that The download you requested is unavailable. DirectX 9.0a was a minor update to the debut version from last December. Most notably was a bugfix that caused MSN Messenger to malfunction when DirectX 9 was installed. Next to that the release only included minor fixes according to Microsoft. An SDK was not available. We will update you as the story develops.